5205470791 has 4 divisors (see below), whose sum is σ = 5431795632. Its totient is φ = 4979145952.

The previous prime is 5205470789. The next prime is 5205470819. The reversal of 5205470791 is 1970745025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5205470791 - 2¹ = 5205470789 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205470191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113162386 + ... + 113162431.

It is an arithmetic number, because the mean of its divisors is an integer number (1357948908).

Almost surely, 2^5205470791 is an apocalyptic number.

5205470791 is a deficient number, since it is larger than the sum of its proper divisors (226324841).

5205470791 is a wasteful number, since it uses less digits than its factorization.

5205470791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226324840.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 5205470791 is about 72148.9486479186. The cubic root of 5205470791 is about 1733.0855635202.

The spelling of 5205470791 in words is "five billion, two hundred five million, four hundred seventy thousand, seven hundred ninety-one".